Marianne Williamson (born July 8, 1952) is a spiritual activist, author, lecturer and founder of The Peace Alliance, a grass roots campaign supporting legislation currently before Congress to establish a United States Department of Peace. She is also the founder of Project Angel Food, a meals-on-wheels program that serves homebound people with AIDS in the Los Angeles area. She has published ten books, including four New York Times #1 bestsellers.
Her book, The Age of Miracles: Embracing the New Midlife, was published in January 2008 and spent five weeks on the New York Times Best Seller list. Her latest book, published in November 2010, is called A Course in Weight Loss: 21 Spiritual Lessons for Surrendering Your Weight Forever. She has been a popular guest on television programs such as Oprah, Larry King Live, Good Morning America, Charlie Rose, The Howard Stern Show and Politically Incorrect.